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prisoha [69]
3 years ago
13

It takes Dariya 35 seconds to download 5 songs from the Internet. How can the number of seconds it would take Dariya to download

7 songs at this rate be determined?
Mathematics
2 answers:
Alex73 [517]3 years ago
8 0
By finding the unit rate and multiplying it by 7
GalinKa [24]3 years ago
5 0

Answer:

C

Step-by-step explanation: Here's a fraction equivalent to

35/5 songs ÷ 7 songs. We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 7. 35/5 divided by 7= 7 songs divided by 7. 5/5= 1 song 5/5= songs = 5/5 songs per song so C is you final answer

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Lady bird [3.3K]

Answer:

y=6.2 and x=0.4 or (0.4,6.2)

Step-by-step explanation:

Since both expressions are equal to y, we can set them equal to each other and solve for x:

3x+5=8x+3

5=5x+3

2=5x

2/5=x

0.4=x

Now to solve y:

y=8(2/5)+3

y=16/5+3

y=3.2+3

y=6.2

Check answers:

6.2=3(0.4)+5

6.2=1.2+5

6.2=6.2

6.2=8(0.4)+3

6.2=3.2+3

6.2=6.2

Answers work, so y=6.2 and x=0.4 or (0.4,6.2) as an ordered pair

5 0
3 years ago
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photoshop1234 [79]

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Step-by-step explanation:

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3 years ago
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dedylja [7]

Answer:

\huge\boxed{x = 6 , y = -2}

Step-by-step explanation:

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\sf \frac{1}{2} x -3 y=9

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31y = -62

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x = 18-12

x = 6

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